ACPI: remove null pointer checks in deferred execution path
Better to oops and learn about a bug than to silently cover it up. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
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@ -699,18 +699,12 @@ void acpi_os_derive_pci_id(acpi_handle rhandle, /* upper bound */
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static void acpi_os_execute_deferred(struct work_struct *work)
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{
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struct acpi_os_dpc *dpc = container_of(work, struct acpi_os_dpc, work);
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if (!dpc) {
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printk(KERN_ERR PREFIX "Invalid (NULL) context\n");
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return;
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}
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if (dpc->wait)
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acpi_os_wait_events_complete(NULL);
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dpc->function(dpc->context);
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kfree(dpc);
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return;
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}
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/*******************************************************************************
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@ -739,9 +733,6 @@ static acpi_status __acpi_os_execute(acpi_execute_type type,
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"Scheduling function [%p(%p)] for deferred execution.\n",
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function, context));
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if (!function)
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return AE_BAD_PARAMETER;
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/*
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* Allocate/initialize DPC structure. Note that this memory will be
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* freed by the callee. The kernel handles the work_struct list in a
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